wrist pin

鞲鞫销
活塞销
肘销

例句与用法：

He turned the pancake over with a strong flick of his wrist.

他一抖腕子就把饼翻过来了。

He fell downstairs and broke his wrist.

他从楼梯跌下，摔伤了手腕。

He cut his wrist so badly that jets of blood spurted out.

他的手腕割伤得很厉害，血阵阵涌出。

She wears a ring round her wrist.

她的手腕上戴着一只镯子。

详细释义：

ph.

肘节销, 曲柄销